RE: CSS Snap scroll spec is in candidate recommendation and in my opinion does not address the needs of users with low vision

I asked for examples that were coded correctly.     In the past I ran into example that did not overflow properly when zoom was used and I couldn’t scroll to content without trigger the snap to point and seeing the next section.

This random page seems to work correctly – but I wonder if it could still pose issues for some users.
https://projects.lukehaas.me/scrollify/#options

One issue I have with the correct implementation is that it means that I can’t get the body text I want to read in a comfortable location on my monitor – even if it’s all there with zoom.  For example, reading at the center of the screen may be more comfortable for some users as reading toward the bottom may cause more neck strain.

I’m also not sure how the auto scrolling aspect fits into the Vestibular motion SC – but it could be an issue for some people.  With snap to the page scrolls faster and the user has less control over the amount of content scrolled quickly out of view.

Jonathan

From: Jim Allan <jimallan@tsbvi.edu>
Sent: Monday, February 4, 2019 11:09 AM
To: Jonathan Avila <jon.avila@levelaccess.com>; public-low-vision-a11y-tf <public-low-vision-a11y-tf@w3.org>
Subject: Re: CSS Snap scroll spec is in candidate recommendation and in my opinion does not address the needs of users with low vision

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Thanks for this Jon. do you have any examples in the wild?
Will add to the agenda for Thursday.
section in question...
https://www.w3.org/TR/2019/CR-css-scroll-snap-1-20190131/#snap-strictness



On Fri, Feb 1, 2019 at 7:31 PM Jonathan Avila <jon.avila@levelaccess.com<mailto:jon.avila@levelaccess.com>> wrote:
FYI

https://www.w3.org/TR/2019/CR-css-scroll-snap-1-20190131/


In the snap-strictness section the spec talks about how different screen sizes can prevent content from being accessible. When users with low vision zoom in they end up with scaled content between breakpoints and often content is pushed off the bottom of the screen but when the user scrolls the viewport is moved to the next snap position and the low vision users can't access all of the content. We need an inclusive solution.

Jon

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